Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 5 15.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 05/16/2018   18:17:29   (  50.00, -80.18) 05/16/2018   18:10:22    (  49.72, -81.74)  115.76            427
 05/16/2018   19:56:22   (  49.99,-104.90) 05/16/2018   19:51:50    (  49.61,-107.06)  160.98            272
 05/16/2018   21:31:32   (  36.70,-124.99) 05/16/2018   21:29:29    (  36.24,-127.55)  235.15            123
 05/19/2018   09:25:02   (  20.03,-114.24) 05/19/2018   09:16:42    (  19.70,-114.79)   67.57            500
 05/22/2018   06:31:13   (  44.97, -65.55) 05/22/2018   06:30:48    (  45.31, -67.56)  162.10             25
 05/22/2018   08:08:42   (  49.90, -88.35) 05/22/2018   08:10:49    (  50.38, -90.82)  183.21            127
 05/22/2018   09:47:35   (  49.91,-113.07) 05/22/2018   09:52:16    (  50.54,-116.11)  227.65            281
 05/24/2018   19:06:50   (  49.96, -92.51) 05/24/2018   19:01:05    (  49.61, -94.37)  138.78            345
 05/24/2018   20:45:43   (  49.95,-117.23) 05/24/2018   20:42:33    (  49.50,-119.70)  184.10            190